The source and explanation are as follows, not to make you believe in Buddhism.

The full name of the Diamond Sutra is the Diamond Prajna Paramita Sutra, and the earliest translator was Kumarajiva, a master of Yao Qin and Sanzang. There are several versions of Diamond Sutra, but Kumarajiva's version is the most popular. The Diamond Sutra, advocated by Zen Buddhism, is a famous classic of Zen Buddhism. Later, due to the appropriate length of the sutra, more than 5, words of scripture were easy to recite, and more importantly, the merits of reciting the sutra were remarkable. After the Tang Dynasty, famous monks and great virtues praised the sutra. Taiwan Province's famous Zen teacher once said that reciting the Diamond Sutra has the effect of eliminating disasters, settling grievances and eliminating crimes. The way to recite the Diamond Sutra is: choose a large-size and easy-to-read diamond sutra that is not segmented (there are two kinds of classics left in the world: one is segmented and divided into 32 points; One is not segmented). It is best to read it with a clean heart every morning when you are in good spirits, after washing your hands, and read it three times in one breath. When you read it, don't care about the meaning of the scripture (you can't separate your heart, don't meditate). After reading it, you can combine the scriptures and meditate for a few minutes to see how your heart feels. Only by reciting the Diamond Sutra in this way can we prove the feeling that "everything is like a dream bubble" (this is the highest state of reciting the Diamond Sutra), and after this state (feeling) is proved, the illusory world will not be regarded as real. Because everything outside is the realization of the heart, it is not true; At the same time, the environment determines the heart. Buddhism says that "the heart is born without the environment," which is an absolute truth. Do you recall: are our thoughts all external memories left over from what we have seen, heard or touched? If there were no external realm, would we have these memories, thoughts, or thoughts? Definitely not. But most of us can't do this, including some practitioners, because although we know the external falsehood in our hearts, we still regard the illusion as true. For example, when you went out today, you fell and broke your foot. It hurts! Do you think this is false? Today, you lost money in business. Do you think this is false? You can't treat these experiences as false, the answer is yes. Why? If everything in the world or your past thoughts and actions are regarded as false, how can Buddhism persuade people to "do all evil and do all good?" If they are all false, what good and evil are there? After all, your good and evil deeds are still there, and your good and evil deeds will bear fruit. As the saying goes, good is rewarded with good, and evil with evil. It's not that you don't report it. It's not time. You will definitely say, isn't it a contradiction that you say it's false first and then you say it's true? Not really. Because "the world is illusory" in Buddhism means: don't cling to past grievances, let bygones be bygones, and ask you to put it down; Don't cling to it (often think about it). This is the true view of the world in Buddhism and the true meaning of the four sentences in the Diamond Sutra. However, you said I knew, but I still couldn't do it and couldn't let it go. If the leader deducted my bonus during the day and came home at night, I would still be indignant in my heart ... So, many eminent monks and great virtues in the past dynasties advised people to recite the Diamond Sutra (or meditate intensively), and to recite the Diamond Sutra to the highest level is "suffering". Only when you are suffering, can you be "like an illusion" and let go! From now on, you won't cling to the past grievances, and you won't worry about what will happen in the future. Because you only live in the present and put everything down, you think: isn't this the happiest and happiest thing in life?